85471120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:345

約数の個数: 160

約数和(自身を含む): 248198400

約数和(自身を除く): 162727280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 80, 95, 112, 116, 133, 140, 145, 152, 190, 203, 232, 266, 277, 280, 290, 304, 380, 406, 464, 532, 551, 554, 560, 580, 665, 760, 812, 1015, 1064, 1102, 1108, 1160, 1330, 1385, 1520, 1624, 1939, 2030, 2128, 2204, 2216, 2320, 2660, 2755, 2770, 3248, 3857, 3878, 4060, 4408, 4432, 5263, 5320, 5510, 5540, 7714, 7756, 8033, 8120, 8816, 9695, 10526, 10640, 11020, 11080, 15428, 15512, 16066, 16240, 19285, 19390, 21052, 22040, 22160, 26315, 30856, 31024, 32132, 36841, 38570, 38780, 40165, 42104, 44080, 52630, 56231, 61712, 64264, 73682, 77140, 77560, 80330, 84208, 105260, 112462, 128528, 147364, 152627, 154280, 155120, 160660, 184205, 210520, 224924, 281155, 294728, 305254, 308560, 321320, 368410, 421040, 449848, 562310, 589456, 610508, 642640, 736820, 763135, 899696, 1068389, 1124620, 1221016, 1473640, 1526270, 2136778, 2249240, 2442032, 2947280, 3052540, 4273556, 4498480, 5341945, 6105080, 8547112, 10683890, 12210160, 17094224, 21367780, 42735560, 85471120]

約数ペア:

[(1, 85471120), (2, 42735560), (4, 21367780), (5, 17094224), (7, 12210160), (8, 10683890), (10, 8547112), (14, 6105080), (16, 5341945), (19, 4498480), (20, 4273556), (28, 3052540), (29, 2947280), (35, 2442032), (38, 2249240), (40, 2136778), (56, 1526270), (58, 1473640), (70, 1221016), (76, 1124620), (80, 1068389), (95, 899696), (112, 763135), (116, 736820), (133, 642640), (140, 610508), (145, 589456), (152, 562310), (190, 449848), (203, 421040), (232, 368410), (266, 321320), (277, 308560), (280, 305254), (290, 294728), (304, 281155), (380, 224924), (406, 210520), (464, 184205), (532, 160660), (551, 155120), (554, 154280), (560, 152627), (580, 147364), (665, 128528), (760, 112462), (812, 105260), (1015, 84208), (1064, 80330), (1102, 77560), (1108, 77140), (1160, 73682), (1330, 64264), (1385, 61712), (1520, 56231), (1624, 52630), (1939, 44080), (2030, 42104), (2128, 40165), (2204, 38780), (2216, 38570), (2320, 36841), (2660, 32132), (2755, 31024), (2770, 30856), (3248, 26315), (3857, 22160), (3878, 22040), (4060, 21052), (4408, 19390), (4432, 19285), (5263, 16240), (5320, 16066), (5510, 15512), (5540, 15428), (7714, 11080), (7756, 11020), (8033, 10640), (8120, 10526), (8816, 9695)]